-46.41% is the change from 571 to 306
Calculation steps:
[( 306 - 571 ) ÷ 571] x 100 = -46.41%
Formula
Percentage change = [(306 - 571) / 571] x 100
Subtract the new number by the original number
306 - 571 = -265
-265 ÷ 571 = -0.46409807355516636
-0.46409807355516636 x 100 = -46.41%